...time, ingenuity, and expense bestowed upon the same, and the introduction thereof into use, it shall be the duty of the Commissioner to renew and extend...section of the act of May 27, 1848, it is provided "(hat the power to extend patents, now vested in the board composed of the Secretary of State, Commissioner...

...cause why the extension should not be granted." The proviso at the close of the same section directs " that no extension of a patent shall be granted after...expiration of the term for which it was originally issued." The object of these provisions is, while a special privilege may be extended to a patentee for his...

...been originally granted for the term of twenty-one years. And the benefit of such renewal shall extend to assignees and grantees of the right to use the thing patented, to the extent of their respective interest therein : Provided, however, That no extension of a patent shall be granted after the expiration...

...the act of 1836, in express terms, gives the benefit of the extension authorized by that law to the assignees and grantees of the right to use the thing...the extent of. their respective interests therein. And under this provision it was decided, in the case of Wilson v. Rousseau, (4 Howard, 688,) that the...

...originally granted for the term of twenty-one years ; and the benefit of such renewal shall extend to assignees and grantees of the right to use the...expiration of the term for which it was originally issued. SEC. 19. And be it further enacted, That there shall be provided, for the use of said office, a library...

...originally granted -for the term of twenty-one years. And the benefit of such renewal shall extend to assignees and grantees of the right to use the thing patented, to the extent of their respective interest therein. Provided, however, that no extension of a patent shall be granted after the expiration...

...been originally granted for the term of twenty-one years; and the benefit of such renewal shall extend to assignees and grantees of the right to use the thing patented, to the extent of their respective Proviso. interests therein : Provided, however, That no extension of a patent shall be granted after...

...originally granted for the term of tension. twenty-one years ; And the benefit of such renewal shall extend to Assignees and Grantees of the right to use the thing patented to the extent of their respective interest therein ; Proviso Provided always, That no extension of a Patent shall be granted after the...

...is the following : — " The benefit of such renewal shall extend to assignees and grant«1« of tto right to use the thing patented, to the extent of their respective iatemta therein." DECISION OF THE SUPREME COfUT. " The question whether an assignee, under the first...

...originally granted for the term of twenty-one years ; and the benefit of such renewal shall extend to assignees and grantees of the right to use the...expiration of the term for which it was originally issued." [Sect. 18, act 1836, and sect. 1, act 1848. 2. The authority, formerly vested in a Board, to extend...